Bichuette, Maria Elina, Pinna, Mario César Cardoso de and Trajano, Eleonora A new species of Glaphyropoma: the first subterranean copionodontine catfish and the first occurrence of opercular odontodes in the subfamily (Siluriformes: Trichomycteridae). Neotrop. ichthyol., 2008, vol.6, no.3, p.301-306. ISSN 1679-6225